Which country is the world's largest producer of crude oil?

What is the currency of Italy and most eurozone countries?

Which is the world's busiest airport by passenger traffic?

What is the capital city of Italy?

Which city is known as the City of Gold?

Which country has the most Nobel Prize winners in total?

Which international organisation works to promote global health and combat diseases?

Which is the largest lake in the world by surface area?

Which UN agency focuses specifically on the welfare and rights of children worldwide?

Which is the deepest lake in the world?

Which UN agency promotes international educational scientific and cultural cooperation?